Home / 84,230,548.79-126,348,397.10-28,897,607.56

Finding the Fourth Proportional to 84,230,548.79, 126,348,397.10 and 28,897,607.56

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Solution

The fourth proportional to 84,230,548.79, 126,348,397.10 and 28,897,607.56 is: 43,347,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,230,548.79 : 126,348,397.10 = 28,897,607.56 : x
  2. Step 2: Convert to fraction form
    84,230,548.79/126,348,397.10 = 28,897,607.56/x
  3. Step 3: Cross multiply
    84,230,548.79x = 126,348,397.10 × 28,897,607.56
  4. Step 4: Simplify right side
    84,230,548.79x = 3,651,166,395,633,863.50
  5. Step 5: Solve for x
    x = 3,651,166,395,633,863.50/84,230,548.79
  6. Step 6: Final answer
    x = 43,347,294.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.